Average annual temperature is 30.3 °C
Absolute maximum temperature: 45.0 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 296 days
Number of rainy days: 69 days
Look at detailed online map of Ouissili
* Weather data for Ouissili Niger is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 39.2 | 41.0 | 42.8 | 45.0 | 42.7 | 40.4 | 36.9 | 41.9 | 40.8 | 39.3 | 38.3 |
| Average daytime temperature (°C) | 32.2 | 35.7 | 39.3 | 40.4 | 41.7 | 38.9 | 36.3 | 33.8 | 36.5 | 39.0 | 37.7 | 32.7 |
| Average temperature (°C) | 24.1 | 27.5 | 31.7 | 33.5 | 35.6 | 33.5 | 31.2 | 29.0 | 31.0 | 32.3 | 30.1 | 24.5 |
| Average night temperature (°C) | 16.4 | 19.5 | 23.4 | 25.6 | 29.3 | 28.4 | 26.4 | 24.9 | 25.9 | 24.7 | 22.0 | 16.5 |
| Absolute minimum temperature (°C) | 12.8 | 15.9 | 19.9 | 22.1 | 25.9 | 24.9 | 24.3 | 23.0 | 23.5 | 20.5 | 19.8 | 12.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 10.2 | 9.7 | 10.6 | 10.6 | 10.1 | 10.0 | 9.6 | 10.5 | 10.2 | 10.5 | 10.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 12 | 46 | 127 | 52 | 10 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 31 | 21 | 15 | 6 | 13 | 29 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 0 | 9 | 16 | 25 | 17 | 2 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ouissili is at